Intangible Assets (Amortization Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 01, 2016	Oct. 03, 2015	Oct. 01, 2016	Oct. 03, 2015
Finite-Lived Intangible Assets [Line Items]
Amortization of acquired intangible assets	$ 8,260	$ 8,941	$ 25,292	$ 20,824
SiliconBlue Technologies Ltd. and Silicon Image, Inc
Finite-Lived Intangible Assets [Line Items]
Amortization of acquired intangible assets	8,446	9,164	25,851	21,331
Research and development | SiliconBlue Technologies Ltd. and Silicon Image, Inc
Finite-Lived Intangible Assets [Line Items]
Amortization of acquired intangible assets	$ 186	$ 223	$ 559	$ 507